Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11045896 | Electric resistance welded steel pipe having identifiable seam portion and method for manufacturing the same | Shinsaku Kokubo, Hiromichi Hori | 2021-06-29 |
| 10787720 | Electric resistance welded steel pipe for high-strength hollow stabilizer, and method for manufacturing electric resistance welded steel pipe for high-strength hollow stabilizer | Masatoshi Aratani, Shinsaku Kokubo, Yuji Hashimoto | 2020-09-29 |
| 10369655 | Electric resistance welded steel pipe having identifiable seam portion and method for manufacturing the same | Shinsaku Kokubo, Hiromichi Hori | 2019-08-06 |
| 10301703 | High-strength welded steel pipe for airbag inflator and method for manufacturing the same | Masatoshi Aratani, Yoshikazu Kawabata, Ryoji Matsui | 2019-05-28 |
| 9000320 | Method of manufacturing electric resistance welding pipe having excellent characterization of welded seam | Kazuhito Kenmochi, Takatoshi Okabe, Hiroyasu Yokoyama, Yuji Sugimoto, Muneyoshi Murakami +3 more | 2015-04-07 |
| 6140601 | Laser-welded steel pipe and method therefor | Moriaki Ono, Tsuyoshi Shiozaki, Masanori Ohmura, Yutaka Nagahama, Akio Sato +1 more | 2000-10-31 |
| 5961748 | Laser-welded steel pipe | Moriaki Ono, Tsuyoshi Shiozaki, Masanori Ohmura, Yutaka Nagahama, Akio Sato +1 more | 1999-10-05 |